| Complete credited cast: | ||
| Scott Bakula | .... | Dr. Sam Beckett/John Beckett |
| Dean Stockwell | .... | RAdm. Albert 'Al' Calavicci |
| Deborah Pratt | .... | Narrator/Ziggy (voice) |
| Dennis Wolfberg | .... | Gushie (6 episodes) |
| W.K. Stratton | .... | Lawrence 'Larry' Stanton III / Dr. Berger / ... (5 episodes) |
| Michael Bellisario | .... | Little Boy / Billy, the bat boy / ... (4 episodes) |
| Fran Bennett | .... | Marie Billings / Ada Simpson (4 episodes) |
| Carolyn Seymour | .... | Zoey / Priscilla Stoltz (4 episodes) |